package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * @className DishController
 * @description DishController
 * @auth xxk
 * @date 2025/7/9
 */
@Api(tags = "菜品管理")
@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return Result
     * @description description
     */
    @ApiOperation("新增菜品")
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        clearCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * 分页查询的列表中并不展示口味，所以这里返回的数据的口味属性为空
     * @param dishPageQueryDTO
     * @return Result<PageResult>
     * @description description
     */
    @ApiOperation(value = "菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return Result
     * @description description
     */
    @ApiOperation(value = "批量删除菜品")
    @DeleteMapping
    public Result delete(@RequestParam("ids") List<Long> ids){
        log.info("批量删除菜品：{}",ids);
        dishService.deleteBatch(ids);

        clearCache("dish_*");

        return Result.success();
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return Result
     * @description description
     */
    @ApiOperation(value = "修改菜品")
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.update(dishDTO);

        //TODO 这里会有一个redis的代码？
        clearCache("dish_*");

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return Result<DishVO>
     * @description description
     */
    @ApiOperation(value = "根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 根据分类id查询菜品
     * TODO  目前好像没有用到？不知道哪里用到的
     * @param categoryId
     * @return Result<List < DishVO>>
     * @description description
     */
    @ApiOperation(value = "根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(@RequestParam Long categoryId){
        log.info("根据分类id查询菜品：{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 菜品启售、停售
     * @param status
     * @return Result
     * @description description
     */
    @ApiOperation(value = "菜品启售、停售")
    @PostMapping("/status/{status}")
    public Result status(@PathVariable Integer status, Long id){
        log.info("菜品启售、停售：{}, {}", status, id);
        dishService.startOrStop(status, id);

        clearCache("dish_*");

        return Result.success();
    }

    /**
     * 清理缓存
     * @param pattern
     * @description description
     */
    private void clearCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
